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Stock-Based Compensation - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jun. 25, 2015
Feb. 29, 2016
Feb. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option awards vesting period     5 years
Stock options granted   25,000 200,000
Stock options weighted average exercise price     $ 3.28
Stock-based compensation expense   $ 22,000 $ 57,000
Intrinsic value of stock options outstanding   169,000 $ 169,000
Stock options outstanding, Weighted average contractual life     9 years
Unrecognized compensation expense related to stock-based awards outstanding   $ 434,000 $ 434,000
Unrecognized compensation expense, period for recognition     4 years
Expected dividend yield     0.00%
2015 Stock Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares of common stock available under the 2015 plan 700,000    
Stock option awards vesting period 10 years